The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2026
Filed:
Jun. 19, 2024
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Hasmukh A. Patel, Houston, TX (US);
Ahmet Atilgan, Houston, TX (US);
Nicolas Osorio Labrador, Houston, TX (US);
Qusai Darugar, Houston, TX (US);
Assignee:
SAUDI ARABIAN OIL COMPANY, Dhahran, SA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/05 (2006.01); C09K 8/20 (2006.01); C09K 8/24 (2006.01); E21B 31/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/05 (2013.01); C09K 8/206 (2013.01); C09K 8/24 (2013.01); E21B 31/035 (2020.05);
Abstract
Methods for freeing differentially stuck pipes may comprise introducing a spotting fluid composition in the vicinity of a portion of a differentially stuck pipe in a well, such that the spotting fluid contacts a material surrounding the portion of the differentially stuck pipe. The spotting fluid may comprise about 0.01 M to about 5 M of an oxidative agent comprising a metal ferrate(VI) and an aqueous solution.